package day319.demo2;

public class Test {
    public static void main(String[] args) {
        int num = Calculate.add(1,2);
        int num1 = Calculate.subtract(4,2);
        int num2 = Calculate.multiply(3,2);
        double num3 = Calculate.except(3,2);

        System.out.println("加法运算1+2="+num);
        System.out.println("减法运算4-2="+num1);
        System.out.println("乘法运算3*2="+num2);
        System.out.println("除法运算3/2="+num3);
    }

}
